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Finding the Fourth Proportional to 665,372.88, 998,067.24 and 185,571.49

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Solution

The fourth proportional to 665,372.88, 998,067.24 and 185,571.49 is: 278,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,372.88 : 998,067.24 = 185,571.49 : x
  2. Step 2: Convert to fraction form
    665,372.88/998,067.24 = 185,571.49/x
  3. Step 3: Cross multiply
    665,372.88x = 998,067.24 × 185,571.49
  4. Step 4: Simplify right side
    665,372.88x = 185,212,824,846.99
  5. Step 5: Solve for x
    x = 185,212,824,846.99/665,372.88
  6. Step 6: Final answer
    x = 278,359.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.